Cadillac’s flagship CT6 is an impressive luxury car. Plush, roomy, quick, agile and high-tech. The CT6’s stellar Road Test score certainly ranks it among the best sedans. Our qualms revolve around a few ergonomic issues. The CT6 slots in between two defined sedan classes.
Alerts
There are 2 recalls on this vehicle. Learn More.

Reliability

Our extensive survey data, combined with our technical knowledge, allows us to expertly predict the reliability of new and redesigned models.

Predicted Reliability
The 2019 Cadillac CT6 has been recalled 2 times by NHTSA. View Recalls
Research Years *Redesign year
Worse Better
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16*
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Overall Reliability Verdict
NA
NA
Potential Trouble Spots
Engine Major
NA
NA
Engine Minor
NA
NA
Engine Cooling
NA
NA
Transmission Major
NA
NA
Transmission Minor
NA
NA
Drive System
NA
NA
Fuel System
NA
NA
Electric System
NA
NA
Climate System
NA
NA
Suspension
NA
NA
Brakes
NA
NA
Exhaust
NA
NA
Paint/Trim
NA
NA
Body Integrity
NA
NA
Body Hardware
NA
NA
Power Equipment
NA
NA
In-car Electronics
NA
NA
Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers. Based on information received from our latest subscriber survey for about 420,000 vehicles, our reliability history charts give you a rundown on how 2000 through 2019 vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system. NA indicates that we did not receive a large enough sample size to provide data for a specific year. An X indicates that the vehicle was not manufactured for a specific year.

Learn more about car Reliability.

Owner Reported Trouble Spots

No Data Available

Compare New Models

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For this Rating, we averaged a model’s Overall Reliability for the newest three years, provided the vehicle did not change significantly in that time and hasn’t been redesigned for 2017. We include a prediction for a model that is new or has been redesigned, based on its reliability history or the manufacturer’s track record.
Recalls
PROVIDED BY
EXTERIOR LIGHTING:TURN SIGNAL:SWITCH
Feb 21 2019
If the turn-signals do not automatically deactivate, the driver may fail to turn them off manually. An erroneous active turn-signal may mislead pedestrians and other drivers, increasing the risk of a crash.
Summary:
General Motors LLC (GM) is recalling certain 2019 Cadillac CT6 vehicles. Rotation of the steering wheel will not automatically cancel the turn-signals from flashing. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices and Associated Equipment."
What should you do:
GM has notified owners, and dealers will replace the turn-signal switch. The recall began March 11, 2019. Owners may contact Cadillac customer service at 1-800-458-8006. The Cadillac number for this recall is N182207090.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 19V117000
Potential Number of Units Affected: 5
SEAT BELTS:REAR
Sep 26 2018
If the child seat is not properly secured in the event of a crash, it can increase the risk of injury.
Summary:
General Motors LLC (GM) is recalling certain 2018-2019 Cadillac CT6, Escalade ESV, Chevrolet Suburban, Volt, and GMC Yukon XL vehicles. Certain second-row or third-row rear seatbelts retractor assemblies may not automatically lock when the seatbelt is fully pulled out of the retractor, possibly preventing a child seat from being properly secured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
What should you do:
GM will notify owners, and dealers will inspect the rear seatbelt retractors and replace them if necessary, free of charge. The recall began November 7, 2018. Owners may contact Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is 18315.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number: 18V673000
Potential Number of Units Affected: 15800
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